diff --git a/backend/src/controllers/barcodeController.ts b/backend/src/controllers/barcodeController.ts
index f5127b4..b4e6049 100644
--- a/backend/src/controllers/barcodeController.ts
+++ b/backend/src/controllers/barcodeController.ts
@@ -14,7 +14,8 @@ export const getEquipmentForBarcode = async (req: Request, res: Response) => {
         equipment_code: true,
         equipment_name: true,
         equipment_model: true,
-        equipment_type: true
+        equipment_type: true,
+        created_at: true
       }
     })
     
@@ -26,7 +27,8 @@ export const getEquipmentForBarcode = async (req: Request, res: Response) => {
       equipment_code: equipment.equipment_code,
       equipment_name: equipment.equipment_name,
       equipment_model: equipment.equipment_model,
-      equipment_type: equipment.equipment_type
+      equipment_type: equipment.equipment_type,
+      created_at: equipment.created_at
     }, '获取成功')
   } catch (error: any) {
     errorResponse(res, error.message || '获取资产信息失败')
@@ -51,6 +53,7 @@ export const getEquipmentBatchForBarcode = async (req: Request, res: Response) =
         equipment_name: true,
         equipment_model: true,
         equipment_type: true,
+        created_at: true,
         storage_location_id: true,
         storageLocation: {
           select: {
@@ -80,6 +83,7 @@ export const getEquipmentBatchForBarcode = async (req: Request, res: Response) =
       equipment_name: eq.equipment_name,
       equipment_model: eq.equipment_model,
       equipment_type: eq.equipment_type,
+      created_at: eq.created_at,
       storage_location_id: eq.storage_location_id,
       storageLocation: eq.storageLocation
     }))
@@ -100,4 +104,3 @@ export const getEquipmentBatchForBarcode = async (req: Request, res: Response) =
     errorResponse(res, error.message || '批量获取资产信息失败')
   }
 }
-